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      使用各种编程语言编写Hello World
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        <h1 id="Python3"><a href="#Python3" class="headerlink" title="Python3:"></a>Python3:</h1><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">print(<span class="string">&quot;Hello World!&quot;</span>)</span><br></pre></td></tr></table></figure>
<h1 id="javascript"><a href="#javascript" class="headerlink" title="javascript:"></a>javascript:</h1><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">alert(&quot;Hello World!&quot;);</span><br></pre></td></tr></table></figure>
<h1 id="MarkDown（好像不算编程语言）"><a href="#MarkDown（好像不算编程语言）" class="headerlink" title="MarkDown（好像不算编程语言）:"></a>MarkDown（好像不算编程语言）:</h1><h4 id="Hello-World"><a href="#Hello-World" class="headerlink" title="Hello World!"></a>Hello World!</h4><hr>
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